mirror of
https://github.com/jenkinsci/kubernetes-operator.git
synced 2026-10-21 04:23:25 +02:00
Upgrade operator-sdk to 1.3.0 without e2e tests
This commit is contained in:
Tomasz Sęk
@@ -1,277 +0,0 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"flag"
|
||||
"fmt"
|
||||
"os"
|
||||
"runtime"
|
||||
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkinsimage"
|
||||
|
||||
// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
|
||||
_ "k8s.io/client-go/plugin/pkg/client/auth"
|
||||
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/apis"
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/client"
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/configuration/base/resources"
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/constants"
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/controller/jenkins"
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/event"
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/log"
|
||||
"github.com/jenkinsci/kubernetes-operator/pkg/notifications"
|
||||
e "github.com/jenkinsci/kubernetes-operator/pkg/notifications/event"
|
||||
"github.com/jenkinsci/kubernetes-operator/version"
|
||||
|
||||
"github.com/operator-framework/operator-sdk/pkg/k8sutil"
|
||||
kubemetrics "github.com/operator-framework/operator-sdk/pkg/kube-metrics"
|
||||
"github.com/operator-framework/operator-sdk/pkg/leader"
|
||||
"github.com/operator-framework/operator-sdk/pkg/log/zap"
|
||||
"github.com/operator-framework/operator-sdk/pkg/metrics"
|
||||
sdkVersion "github.com/operator-framework/operator-sdk/version"
|
||||
"github.com/pkg/errors"
|
||||
"github.com/spf13/pflag"
|
||||
v1 "k8s.io/api/core/v1"
|
||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||
"k8s.io/apimachinery/pkg/util/intstr"
|
||||
"k8s.io/client-go/kubernetes"
|
||||
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
|
||||
"k8s.io/client-go/rest"
|
||||
"sigs.k8s.io/controller-runtime/pkg/client/config"
|
||||
"sigs.k8s.io/controller-runtime/pkg/manager"
|
||||
"sigs.k8s.io/controller-runtime/pkg/manager/signals"
|
||||
)
|
||||
|
||||
// Change below variables to serve metrics on different host or port.
|
||||
var (
|
||||
metricsHost = "0.0.0.0"
|
||||
metricsPort int32 = 8383
|
||||
operatorMetricsPort int32 = 8686
|
||||
)
|
||||
|
||||
var logger = log.Log.WithName("cmd")
|
||||
|
||||
func printInfo() {
|
||||
logger.Info(fmt.Sprintf("Version: %s", version.Version))
|
||||
logger.Info(fmt.Sprintf("Git commit: %s", version.GitCommit))
|
||||
logger.Info(fmt.Sprintf("Go Version: %s", runtime.Version()))
|
||||
logger.Info(fmt.Sprintf("Go OS/Arch: %s/%s", runtime.GOOS, runtime.GOARCH))
|
||||
logger.Info(fmt.Sprintf("operator-sdk Version: %v", sdkVersion.Version))
|
||||
}
|
||||
|
||||
func main() {
|
||||
// Add the zap logger flag set to the CLI. The flag set must
|
||||
// be added before calling pflag.Parse().
|
||||
pflag.CommandLine.AddFlagSet(zap.FlagSet())
|
||||
|
||||
// Add flags registered by imported packages (e.g. glog and
|
||||
// controller-runtime)
|
||||
pflag.CommandLine.AddGoFlagSet(flag.CommandLine)
|
||||
|
||||
hostname := pflag.String("jenkins-api-hostname", "", "Hostname or IP of Jenkins API. It can be service name, node IP or localhost.")
|
||||
port := pflag.Int("jenkins-api-port", 0, "The port on which Jenkins API is running. Note: If you want to use nodePort don't set this setting and --jenkins-api-use-nodeport must be true.")
|
||||
useNodePort := pflag.Bool("jenkins-api-use-nodeport", false, "Connect to Jenkins API using the service nodePort instead of service port. If you want to set this as true - don't set --jenkins-api-port.")
|
||||
debug := pflag.Bool("debug", false, "Set log level to debug")
|
||||
kubernetesClusterDomain := pflag.String("cluster-domain", "cluster.local", "Use custom domain name instead of 'cluster.local'.")
|
||||
pflag.Parse()
|
||||
|
||||
log.SetupLogger(*debug)
|
||||
printInfo()
|
||||
|
||||
namespace, err := k8sutil.GetWatchNamespace()
|
||||
if err != nil {
|
||||
fatal(errors.Wrap(err, "failed to get watch namespace"), *debug)
|
||||
}
|
||||
logger.Info(fmt.Sprintf("Watch namespace: %v", namespace))
|
||||
|
||||
// get a config to talk to the apiserver
|
||||
cfg, err := config.GetConfig()
|
||||
if err != nil {
|
||||
fatal(errors.Wrap(err, "failed to get config"), *debug)
|
||||
}
|
||||
|
||||
ctx := context.TODO()
|
||||
|
||||
// Become the leader before proceeding
|
||||
err = leader.Become(ctx, "jenkins-operator-lock")
|
||||
if err != nil {
|
||||
fatal(errors.Wrap(err, "failed to become leader"), *debug)
|
||||
}
|
||||
|
||||
// Create a new Cmd to provide shared dependencies and start components
|
||||
mgr, err := manager.New(cfg, manager.Options{
|
||||
Namespace: namespace,
|
||||
MetricsBindAddress: fmt.Sprintf("%s:%d", metricsHost, metricsPort),
|
||||
})
|
||||
if err != nil {
|
||||
fatal(errors.Wrap(err, "failed to create manager"), *debug)
|
||||
}
|
||||
|
||||
logger.Info("Registering Components.")
|
||||
|
||||
// setup Scheme for all resources
|
||||
if err := apis.AddToScheme(mgr.GetScheme()); err != nil {
|
||||
fatal(errors.Wrap(err, "failed to setup scheme"), *debug)
|
||||
}
|
||||
|
||||
// setup events
|
||||
events, err := event.New(cfg, constants.OperatorName)
|
||||
if err != nil {
|
||||
fatal(errors.Wrap(err, "failed to create manager"), *debug)
|
||||
}
|
||||
|
||||
clientSet, err := kubernetes.NewForConfig(cfg)
|
||||
if err != nil {
|
||||
fatal(errors.Wrap(err, "failed to create Kubernetes client set"), *debug)
|
||||
}
|
||||
|
||||
if resources.IsRouteAPIAvailable(clientSet) {
|
||||
logger.Info("Route API found: Route creation will be performed")
|
||||
}
|
||||
c := make(chan e.Event)
|
||||
go notifications.Listen(c, events, mgr.GetClient())
|
||||
|
||||
// validate jenkins API connection
|
||||
jenkinsAPIConnectionSettings := client.JenkinsAPIConnectionSettings{Hostname: *hostname, Port: *port, UseNodePort: *useNodePort}
|
||||
if err := jenkinsAPIConnectionSettings.Validate(); err != nil {
|
||||
fatal(errors.Wrap(err, "invalid command line parameters"), *debug)
|
||||
}
|
||||
|
||||
// validate kubernetes cluster domain
|
||||
if *kubernetesClusterDomain == "" {
|
||||
fatal(errors.Wrap(err, "Kubernetes cluster domain can't be empty"), *debug)
|
||||
}
|
||||
|
||||
// setup Jenkins controller
|
||||
if err := jenkins.Add(mgr, jenkinsAPIConnectionSettings, *kubernetesClusterDomain, *clientSet, *cfg, &c); err != nil {
|
||||
fatal(errors.Wrap(err, "failed to setup controllers"), *debug)
|
||||
}
|
||||
// setup JenkinsImage controller
|
||||
if err = jenkinsimage.Add(mgr); err != nil {
|
||||
fatal(errors.Wrap(err, "failed to setup controllers"), *debug)
|
||||
}
|
||||
|
||||
if err = serveCRMetrics(cfg); err != nil {
|
||||
logger.V(log.VWarn).Info("Could not generate and serve custom resource metrics", "error", err.Error())
|
||||
}
|
||||
|
||||
// Add to the below struct any other metrics ports you want to expose.
|
||||
servicePorts := []v1.ServicePort{
|
||||
{Port: metricsPort, Name: metrics.OperatorPortName, Protocol: v1.ProtocolTCP, TargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: metricsPort}},
|
||||
{Port: operatorMetricsPort, Name: metrics.CRPortName, Protocol: v1.ProtocolTCP, TargetPort: intstr.IntOrString{Type: intstr.Int, IntVal: operatorMetricsPort}},
|
||||
}
|
||||
// Create Service object to expose the metrics port(s).
|
||||
service, err := metrics.CreateMetricsService(ctx, cfg, servicePorts)
|
||||
if err != nil {
|
||||
logger.V(log.VWarn).Info("Could not create metrics Service", "error", err.Error())
|
||||
}
|
||||
|
||||
// CreateServiceMonitors will automatically create the prometheus-operator ServiceMonitor resources
|
||||
// necessary to configure Prometheus to scrape metrics from this operator.
|
||||
services := []*v1.Service{service}
|
||||
_, err = metrics.CreateServiceMonitors(cfg, namespace, services)
|
||||
if err != nil {
|
||||
logger.V(log.VWarn).Info("Could not create ServiceMonitor object", "error", err.Error())
|
||||
// If this operator is deployed to a cluster without the prometheus-operator running, it will return
|
||||
// ErrServiceMonitorNotPresent, which can be used to safely skip ServiceMonitor creation.
|
||||
if err == metrics.ErrServiceMonitorNotPresent {
|
||||
logger.V(log.VWarn).Info("Install prometheus-operator in your cluster to create ServiceMonitor objects", "error", err.Error())
|
||||
}
|
||||
}
|
||||
|
||||
logger.Info("Starting the Cmd.")
|
||||
|
||||
// start the Cmd
|
||||
if err := mgr.Start(signals.SetupSignalHandler()); err != nil {
|
||||
fatal(errors.Wrap(err, "failed to start cmd"), *debug)
|
||||
}
|
||||
}
|
||||
|
||||
// serveCRMetrics gets the Operator/CustomResource GVKs and generates metrics based on those types.
|
||||
// It serves those metrics on "http://metricsHost:operatorMetricsPort".
|
||||
func serveCRMetrics(cfg *rest.Config) error {
|
||||
// Below function returns filtered operator/CustomResource specific GVKs.
|
||||
// For more control override the below GVK list with your own custom logic.
|
||||
gvks, err := k8sutil.GetGVKsFromAddToScheme(apis.AddToScheme)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// We perform our custom GKV filtering on top of the one performed
|
||||
// by operator-sdk code
|
||||
filteredGVK := filterGKVsFromAddToScheme(gvks)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// Get the namespace the operator is currently deployed in.
|
||||
operatorNs, err := k8sutil.GetOperatorNamespace()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
// To generate metrics in other namespaces, add the values below.
|
||||
ns := []string{operatorNs}
|
||||
// Generate and serve custom resource specific metrics.
|
||||
return kubemetrics.GenerateAndServeCRMetrics(cfg, ns, filteredGVK, metricsHost, operatorMetricsPort)
|
||||
}
|
||||
|
||||
func filterGKVsFromAddToScheme(gvks []schema.GroupVersionKind) []schema.GroupVersionKind {
|
||||
// We use gkvFilters to filter from the existing GKVs defined in the used
|
||||
// runtime.Schema for the operator. The reason for that is that
|
||||
// kube-metrics tries to list all of the defined Kinds in the schemas
|
||||
// that are passed, including Kinds that the operator doesn't use and
|
||||
// thus the role used the operator doesn't have them set and we don't want
|
||||
// to set as they are not used by the operator.
|
||||
// For the fields that the filters have we have defined the value '*' to
|
||||
// specify any will be a match (accepted)
|
||||
matchAnyValue := "*"
|
||||
gvkFilters := []schema.GroupVersionKind{
|
||||
// Kubernetes Resources
|
||||
{Kind: "PersistentVolumeClaim", Version: matchAnyValue},
|
||||
{Kind: "ServiceAccount", Version: matchAnyValue},
|
||||
{Kind: "Secret", Version: matchAnyValue},
|
||||
{Kind: "Pod", Version: matchAnyValue},
|
||||
{Kind: "ConfigMap", Version: matchAnyValue},
|
||||
{Kind: "Service", Version: matchAnyValue},
|
||||
{Group: "apps", Kind: "Deployment", Version: matchAnyValue},
|
||||
// Openshift Resources
|
||||
{Group: "route.openshift.io", Kind: "Route", Version: matchAnyValue},
|
||||
{Group: "image.openshift.io", Kind: "ImageStream", Version: matchAnyValue},
|
||||
// Custom Resources
|
||||
{Group: "jenkins.io", Kind: "Jenkins", Version: matchAnyValue},
|
||||
{Group: "jenkins.io", Kind: "JenkinsImage", Version: matchAnyValue},
|
||||
}
|
||||
|
||||
ownGVKs := []schema.GroupVersionKind{}
|
||||
for _, gvk := range gvks {
|
||||
for _, gvkFilter := range gvkFilters {
|
||||
match := true
|
||||
if gvkFilter.Kind == matchAnyValue && gvkFilter.Group == matchAnyValue && gvkFilter.Version == matchAnyValue {
|
||||
logger.V(1).Info("gvkFilter should at least have one of its fields defined. Skipping...")
|
||||
match = false
|
||||
} else {
|
||||
if gvkFilter.Kind != matchAnyValue && gvkFilter.Kind != gvk.Kind {
|
||||
match = false
|
||||
}
|
||||
if gvkFilter.Group != matchAnyValue && gvkFilter.Group != gvk.Group {
|
||||
match = false
|
||||
}
|
||||
if gvkFilter.Version != matchAnyValue && gvkFilter.Version != gvk.Version {
|
||||
match = false
|
||||
}
|
||||
}
|
||||
if match {
|
||||
ownGVKs = append(ownGVKs, gvk)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return ownGVKs
|
||||
}
|
||||
|
||||
func fatal(err error, debug bool) {
|
||||
if debug {
|
||||
logger.Error(nil, fmt.Sprintf("%+v", err))
|
||||
} else {
|
||||
logger.Error(nil, fmt.Sprintf("%s", err))
|
||||
}
|
||||
os.Exit(-1)
|
||||
}
|
||||
Reference in New Issue
Block a user